#include <stdio.h>
int main()
{
    char e = 0;
    int a = 0;
    float b = 0.0f;
    double c = 0.0;

    scanf("%c ", &e);
    scanf("%d ", &a);
    scanf("%f", &b);

    c = a + b;
    printf("c = %f\n", c);

    printf("sizeOf(e) = %d\n", sizeof(e));
    printf("sizeOf(a) = %d\n", sizeof(a));
    printf("sizeOf(b) = %d\n", sizeof(b));
    printf("sizeOf(c) = %d\n", sizeof(c));
    return 0;
}